A block of mass 10 kg is moving in x – direction with a constant speed 10 ms -1 . It is subjected to a retarding force F = -0.1 x J/m during its travel from x = 20 m to x = 30 m. Find the final KE.
Text Solution
Verified by ExpertsThe correct answer is:
A
KE f = 
= 
= 
(.1) + 500. = 475 J
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